OIE: Highly pathogenic avian influenza, Laos

OIE: Highly pathogenic avian influenza, Laos
submited by kickingbird at Feb, 27, 2009 11:6 AM from OIE

Information received on 26/02/2009 from Dr Khambounheuang Bounkhouang , Directeur Général, Département de l´Elevage et des Pêches , Ministère de l´Agriculture et des Forêts , Vientiane, Laos

Summary

Report type	Immediate notification
Start date	30/01/2009
Date of first confirmation of the event	09/02/2009
Report date	26/02/2009
Date submitted to OIE	26/02/2009
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	29/12/2008
Manifestation of disease	Clinical disease
Causal agent	highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location and Affected population

PHONGSALY (Ban Meuang Khoua, Khoua) : Free-range village poultry. Poultry started to get sick and died since the end of January 2009 with a high mortality rate.

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	3314	730	730	2584

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	22.03%	22.03%	100.00%	**

* Removed from the susceptible population through death, destruction and/or slaughter
** Not calculated because of missing information

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive Illegal movement of animals
Epidemiological comments	The first onset of the cases occurred during Lunar new year celebration and as a result the outbreak might be associated with the movement of poultry and poultry products for the celebration.

Control measures

Measures applied	Stamping out Quarantine Movement control inside the country Disinfection of infected premises/establishment(s) Dipping / Spraying Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

National Animal Health Centre (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	rapid tests	08/02/2009	Positive
Birds	real-time PCR	09/02/2009	Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

See Also:

http://www.oie.int

Latest news in those days:

USCDC Confirms Human Cases of H5 Bird Flu Among Colorado Poultry Workers 1 days ago
GISAID: H5N1 Bird Flu Circulating in Dairy Cows in the United States 2 days ago
USCDC: Colorado Reports Three Presumptive Positive H5 Cases in Poultry Workers 4 days ago
USCDC: A(H5N1) Bird Flu Response Update, July 12, 2024 5 days ago
Avian flu: increased vigilance recommended 6 days ago

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